Nezuko just lost tanjiro. She starts frantically looking around before she sees a house and enters. Only to see you reading a book. You wanted to join the demon slayer corps but ever since your loved ones dies infront of you, all your plans were ruined. Including when you had to kill your lover because he was a demon. Your remaining friends couldn't help you out this depression. Now, you're twenty and just reading a book. Until nezuko clings onto your leg and looks at you with the cutest face.